Latest Paul Wignall Stories
Lawrence LeBlond for redOrbit.com - Your Universe Online Life about 250 million years ago was hard to come by. In fact, it was nearly non-existent. Scientists, studying why this period, known as the end-Permian event, lasted so long and have found a key ingredient: heat. Paul Wignall, a paleontologist at England´s Leeds University, and study coauthor, said during the 200,000-year-long Permian extinction the Earth began cooking, with life struggling to thrive, especially at the...
According to a new study, volcanic eruptions in what is now present-day China may have been the cause of mass extinction 260 million years ago. The Guadalupian Mass Extinction, which devastated marine life around the world, was preceded by eruptions in the Emeishan province of Southwest China, said Paul Wignall, paleontologist from the University of Leeds. According to the report, which appears in Friday's edition of the journal Science, the eruption in China unleashed nearly a half million...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.